[llvm-bugs] [Bug 134539] Formatting issue with braced initialization list indentation

Sun, 06 Apr 2025 06:53:04 -0700

Issue 134539
Summary Formatting issue with braced initialization list indentation
Labels new issue
Assignees
Reporter 19217041025 
    Dear Clang-format team,

I've encountered an indentation issue when formatting braced initialization lists that I believe could be improved. Here are the details:

​​Expected formatting​​:

![Image](https://github.com/user-attachments/assets/bf0c858f-d7d2-4db0-9f42-158811424eaa)

Actual formatting​​ (with current clang-format):

clang+llvm-20.1.0-x86_64-pc-windows-msvc

![Image](https://github.com/user-attachments/assets/1831af48-549d-4504-b5a6-0ce10d45a2fb)

or

![Image](https://github.com/user-attachments/assets/c29f64a7-2e81-4266-9c3b-5c278f3d2bae)

​Problem​​:

The opening brace gets an extra level of indentation
The closing brace moves to a new line (when I prefer it on the same line as the last element for simple lists)
I've tried various combinations of BreakBeforeBraces, BraceWrapping, and IndentWidth options but couldn't achieve the desired formatting.

Would it be possible to:

Add an option to keep the opening brace at the same indentation level as the variable declaration?
Add more control over closing brace placement for initialization lists?
Thank you for your consideration. Let me know if you need any additional information.


.clang-format

---
AccessModifierOffset: -4
AlignAfterOpenBracket: DontAlign
AlignArrayOfStructures: Right
AlignConsecutiveAssignments: None
AlignConsecutiveBitFields: None
AlignConsecutiveDeclarations: None
AlignEscapedNewlines: Left
AlignOperands: AlignAfterOperator
AlignTrailingComments: true
AllowShortBlocksOnASingleLine: Empty
AllowShortEnumsOnASingleLine: false
AllowShortFunctionsOnASingleLine: Inline
AllowShortLambdasOnASingleLine: Inline
BasedOnStyle: LLVM
BraceWrapping:
  AfterCaseLabel: true
  AfterClass: true
  AfterControlStatement: true
  AfterEnum: true
  AfterFunction: true
  AfterNamespace: true
  AfterObjCDeclaration: true
  AfterStruct: true
  AfterUnion: true
  AfterExternBlock: true
  BeforeCatch: true
  BeforeElse: true
  BeforeLambdaBody: true
  BeforeWhile: true
  IndentBraces: false
BreakBeforeBinaryOperators: NonAssignment
BreakBeforeBraces: Custom
BreakBeforeTernaryOperators: true
BreakConstructorInitializers: BeforeComma
BreakInheritanceList: BeforeComma
BreakStringLiterals: true
ColumnLimit: 0
Cpp11BracedListStyle: true
EmptyLineBeforeAccessModifier: LogicalBlock
FixNamespaceComments: true
IncludeBlocks: Preserve
IndentCaseBlocks: false
IndentCaseLabels: true
IndentPPDirectives: None
IndentWidth: 4
Language: Cpp
NamespaceIndentation: None
PackConstructorInitializers: CurrentLine
PointerAlignment: Left
SortIncludes: true
SpaceBeforeCaseColon: false
Standard: Cpp11
StatementMacros: ['UPROPERTY', 'UFUNCTION', 'UCLASS', 'USTRUCT', 'UENUM', 'UINTERFACE', 'GENERATED_BODY', 'v']
TabWidth: 4
UseTab: ForContinuationAndIndentation
QualifierAlignment: Left



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